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Stress Strain Relationship of Polymer Modified No-Fine Concrete | ||
| Iraqi Journal of Civil Engineering | ||
| Article 4, Volume 3, Issue 6, 2005, Pages 54-79 PDF (691.86 K) | ||
| DOI: 10.37650/ijce.2005.65621 | ||
| Author | ||
| Bayan S. Al-Numan | ||
| Abstract | ||
| Abstract The use of no fines concrete in construction increased especially during and after 1970s. New concrete is obtained from no-fines concrete in this research by adding Styrene Butadiene Rubber (SBR) Polymer as a ratio of cement content. This research includes the study of the effect of SBR polymer on stress-strain relationship of concrete under compression. The concrete mixes by weight were (1:7, 1:6, 1:5, and 1:4) cement / aggregate (C/A). The polymer was added as percentages by weight of cement as (5, 7.5 and 10%). Rreference mixes were made for every case. A new mathematical model for both ascending and descending portions is suggested in this research and discussed. The area under the stress strain curve was found in polymer modified no-fines concrete to be greater than reference concrete and was increased with polymer / cement ratios (P/C). The suitability of no fine polymer concrete to be used in structural members has been affirmed in this research especially for (1:4 and 1:5) C/A polymer mix. | ||
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